| family name | Q101352 |
| P5323 | attested in | 2010 United States Census surname index | Q92953148 |
| P1343 | described by source | Unsere Familiennamen | Q107379300 |
| P1889 | different from | Proost | Q1445788 |
| P407 | language of work or name | German | Q188 |
| P1705 | native label | Proost | |
| P282 | writing system | Latin script | Q8229 |
| Q4343555 | Alfons Proost |
| Q52615661 | Anne Proost |
| Q21922395 | Bart Proost |
| Q52903662 | Dirk Proost |
| Q111511104 | Enzo Proost |
| Q110175679 | Frans Proost |
| Q55232023 | Greta Proost |
| Q109296660 | Hendrik Proost |
| Q107276516 | J. Proost |
| Q27106623 | Jean Proost |
| Q97681830 | Karin Proost |
| Q657456 | Leo Proost |
| Q960967 | Louis Proost |
| Q114244176 | Maurane Proost |
| Q54449101 | Paul Proost |
| Q110846662 | Sophie Proost |
| Q30071836 | Stef Proost |
| Q1445788 | Proost | different from | P1889 |
| Category:Proost (surname) | wikimedia |
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